Malware Analysis Report

2025-08-10 22:22

Sample ID 240202-zca22ahbgn
Target 8a77838fb50ac34647cc50214be992b7
SHA256 02dd8f94860f4d3fee685d54f6b421ae4e8c28b737cb7d089951703dc21a33d1
Tags
upx adware stealer
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

02dd8f94860f4d3fee685d54f6b421ae4e8c28b737cb7d089951703dc21a33d1

Threat Level: Shows suspicious behavior

The file 8a77838fb50ac34647cc50214be992b7 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx adware stealer

UPX packed file

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

Installs/modifies Browser Helper Object

Unsigned PE

Modifies registry class

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-02 20:33

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-02 20:33

Reported

2024-02-02 20:37

Platform

win7-20231215-en

Max time kernel

122s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe"

Signatures

ACProtect 1.3x - 1.4x DLL software

Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{DBD366B8-952D-496E-99C3-1FF980B539DD} C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DBD366B8-952D-496E-99C3-1FF980B539DD}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DBD366B8-952D-496E-99C3-1FF980B539DD} C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DBD366B8-952D-496E-99C3-1FF980B539DD}\InprocServer32\ = "C:\\Windows\\SysWow64\\api-ms-win-core-sysinfo-l1-1-.dll" C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DBD366B8-952D-496E-99C3-1FF980B539DD}\InprocServer32\ThreadingModel = "apartment" C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe

"C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe"

Network

N/A

Files

memory/2136-0-0x0000000000400000-0x0000000000423000-memory.dmp

\Windows\SysWOW64\api-ms-win-core-sysinfo-l1-1-.dll

MD5 26bab8b8883f48d28b3d40733c83e3ea
SHA1 8ad36033dab14696119ef33bf65f179711811092
SHA256 dd9c693097dd387f7eaf69f95700361d59f65b8bf7a2c91eff22f35dd33c1868
SHA512 b04b6466a0d30b34d695425fce4f5fb8625eb1fd937bd197ff9d920ae79ea7146559c62aaeea572c4dd630cd7ce60d21984fd4a4cb9c53598635e1b6e655b721

memory/2136-6-0x0000000000220000-0x000000000025C000-memory.dmp

memory/2136-7-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2136-8-0x0000000000220000-0x000000000025C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-02 20:33

Reported

2024-02-02 20:36

Platform

win10v2004-20231215-en

Max time kernel

92s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe"

Signatures

ACProtect 1.3x - 1.4x DLL software

Description Indicator Process Target
N/A N/A N/A N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{22F799BE-BD97-4B03-9084-2F697D510DA2} C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F799BE-BD97-4B03-9084-2F697D510DA2}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F799BE-BD97-4B03-9084-2F697D510DA2} C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F799BE-BD97-4B03-9084-2F697D510DA2}\InprocServer32\ = "C:\\Windows\\SysWow64\\aspnet_counter.dll" C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F799BE-BD97-4B03-9084-2F697D510DA2}\InprocServer32\ThreadingModel = "apartment" C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe

"C:\Users\Admin\AppData\Local\Temp\8a77838fb50ac34647cc50214be992b7.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 183.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 82.192.122.92.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 182.178.17.96.in-addr.arpa udp

Files

memory/1388-0-0x0000000000400000-0x0000000000423000-memory.dmp

memory/1388-1-0x0000000000400000-0x0000000000423000-memory.dmp

C:\Windows\SysWOW64\aspnet_counter.dll

MD5 26bab8b8883f48d28b3d40733c83e3ea
SHA1 8ad36033dab14696119ef33bf65f179711811092
SHA256 dd9c693097dd387f7eaf69f95700361d59f65b8bf7a2c91eff22f35dd33c1868
SHA512 b04b6466a0d30b34d695425fce4f5fb8625eb1fd937bd197ff9d920ae79ea7146559c62aaeea572c4dd630cd7ce60d21984fd4a4cb9c53598635e1b6e655b721

memory/1388-7-0x00000000001C0000-0x00000000001FC000-memory.dmp

memory/1388-10-0x0000000000400000-0x0000000000423000-memory.dmp

memory/1388-11-0x00000000001C0000-0x00000000001FC000-memory.dmp